Siemens Building Technology 599 02023 Valve 326058 756 Durable PVC Construction: High impact material Durable PVC Construction: High impact material stands up to persistent UV exposure and extreme temperature fluctuations without cracking Upgrading to a 20kW heater kit requires verifying that the existing blower motor can handle the static pressure and that the electrical service (breaker and wire gauge) is rated for the increased amperage draw of a 20kW load What type of actuator is required extending the component's service life in demanding environments and making it suitable for low pressure saturated steam applications up to 15 psi